Dorothy's full name, birthdate and birthplace are given on her passport application (1918). The purpose of that application was for her to accompany the American Expeditionary Force to England and France as a member of the Red Cross.

Dorothy's obituary gives her full name, Mrs. Dorothy Lord Blatchford Pettit, and mentions her husband Roswell, and her daughters Louise More and Frances O'Halloran, and her sister Barbara Fowler.